/Engine/Source/Runtime/Engine/Public/BlendableManager.h
Find next that has the given type, O(n), n is number of elements after the given one or all if started with 0
0 if no further one of that type was found
template<class T> T * IterateBlendables ( [FBlendableEntry](API\Runtime\Engine\FBlendableEntry) *& InIterator ) const